Fast forward to sync public repo.

Compile math.sinh(), math.cosh(), math.tanh() and math.random().
Compile various io.*() functions.
Drive the GC forward on string allocations in the parser.
Improve KNUM fuse vs. load heuristics.
Add abstract C call handling to IR.

src/buildvm.h

@@ -102,5 +102,6 @@ extern const char *const bc_names[];
 extern const char *const ir_names[];
 extern const char *const irfpm_names[];
 extern const char *const irfield_names[];
+extern const char *const ircall_names[];
 
 #endif